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NAICS 541330 · Engineering Services

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Engineering firm in Decatur, IL

12 engineering firm in Decatur, IL; 201 within 100 miles. Every listing checked against the issuer's record, in the published order.

  1. Chastain & Associates LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Decatur, IL

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    Proof for Chastain & Associates LLC
    SAM.gov registration
    SAM.gov EPDNDKLLMAV3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 14, 2027
    Checked
    Oct 23, 2026
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 422-8544
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Airfloat

    Engineering firm

    Decatur, IL

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    Proof for Airfloat
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 423-6001
    Listing
    Built from public records. Not claimed yet, so call them directly.

  3. Allen Engineering

    Engineering firm

    Decatur, IL

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    Proof for Allen Engineering
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 428-0566
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Blank Wesselink Cook & Associates Inc

    Engineering firm

    Decatur, IL

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    Proof for Blank Wesselink Cook & Associates Inc
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 428-0973
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. Lemark Services

    Engineering firm

    Decatur, IL

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    Proof for Lemark Services
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 864-8311
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Midwest Lightning Rods, Llc

    Engineering firm

    Decatur, IL

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    Proof for Midwest Lightning Rods, Llc
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 872-4676
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Staley Library

    Engineering firm

    Decatur, IL

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    Proof for Staley Library
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 424-6214
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. Decatur Sanitary District

    Engineering firm

    Decatur, IL

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    Proof for Decatur Sanitary District
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 422-6931
    Listing
    Built from public records. Not claimed yet, so call them directly.

  9. Midwest Electronic Systems Inc

    Engineering firm

    Decatur, IL

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    Proof for Midwest Electronic Systems Inc
    Where
    Decatur, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  10. Midwest Electronic Systems, Inc

    Engineering firm

    Decatur, IL

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    Proof for Midwest Electronic Systems, Inc
    Where
    Decatur, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  11. Pioneer Industrial Corporation

    Engineering firm

    Decatur, IL

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    Proof for Pioneer Industrial Corporation
    Where
    Decatur, IL · serves Illinois
    Phone
    (217) 442-7900
    Listing
    Built from public records. Not claimed yet, so call them directly.

  12. John F Dunn

    Engineering firm

    Decatur, IL

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    Proof for John F Dunn
    Where
    Decatur, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  13. Jordan Industrial Controls, Inc.

    Engineering firm

    Mt Zion, IL · 7 mi away

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    Proof for Jordan Industrial Controls, Inc.
    Where
    Mt Zion, IL · serves Illinois
    Phone
    (217) 864-4444
    Listing
    Built from public records. Not claimed yet, so call them directly.

  14. Onsite Engineering Llc

    Engineering firm

    Mt Zion, IL · 7 mi away

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    Proof for Onsite Engineering Llc
    Where
    Mt Zion, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  15. Trinity Em, Inc.

    ActiveCorporation registered in SAM.gov

    Monticello, IL · 22 mi away

    Ask it
    Proof for Trinity Em, Inc.
    SAM.gov registration
    SAM.gov SVGXYWQSU5E8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Oct 23, 2026
    Where
    Monticello, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Transportation Technology Transfer Inc

    ActiveCorporation registered in SAM.gov

    White Heath, IL · 29 mi away

    Ask it
    Proof for Transportation Technology Transfer Inc
    SAM.gov registration
    SAM.gov Q7GTZNNK3AE8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 20, 2027
    Checked
    Oct 23, 2026
    Where
    White Heath, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Otto Center

    Engineering firm

    Arthur, IL · 27 mi away

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    Proof for Otto Center
    Where
    Arthur, IL · serves Illinois
    Phone
    (217) 543-2958
    Listing
    Built from public records. Not claimed yet, so call them directly.

  18. LaForge and Associates

    Engineering firm

    Lincoln, IL · 30 mi away

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    Proof for LaForge and Associates
    Where
    Lincoln, IL · serves Illinois
    Phone
    (217) 621-1036
    Listing
    Built from public records. Not claimed yet, so call them directly.

  19. Crawford, Murphy & Tilly, Inc.

    ActiveCorporation registered in SAM.gov

    Springfield, IL · 38 mi away

    CallAsk it
    Proof for Crawford, Murphy & Tilly, Inc.
    SAM.gov registration
    SAM.gov MVNZJD256ZC9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 12, 2026
    Checked
    Oct 23, 2026
    Where
    Springfield, IL · serves Illinois
    Phone
    (217) 787-8050
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  20. Hanson Professional Services Inc

    ActiveCorporation registered in SAM.gov

    Springfield, IL · 38 mi away

    CallAsk it
    Proof for Hanson Professional Services Inc
    SAM.gov registration
    SAM.gov KQR8L9KR7CQ5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 11, 2027
    Checked
    Oct 23, 2026
    Where
    Springfield, IL · serves Illinois
    Phone
    (217) 788-2450
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

More cities in Illinois

Chicago 343Naperville 49Schaumburg 34Lisle 31Springfield 29Rockford 26Elk Grove Village 25Aurora 24Downers Grove 24Elgin 24Peoria 23Arlington Heights 16Northbrook 16St. Charles 16Champaign 15Lombard 15

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